Cita APA (7th ed.)
Pugel, T. A. (2016). International economics (16th ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Pugel, Thomas A. International Economics. 16th ed. New York, NY: McGraw-Hill, 2016.
Cita MLA (9th ed.)
Pugel, Thomas A. International Economics. 16th ed. McGraw-Hill, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.